function

Spotted hyena Crocuta crocuta with leg bone of giraffe

Green woodpecker Picus viridis anting for parasite removal

Greater Spotted woodpecker Dendrocopos major seeking food.  Using its beak to pry under areas of bark, the woodpecker looks for small insects.

Digestive system of bird using domestic chicken, in diagram format, with close up of gizzard

Car crushed by a fallen pine tree.  Illustration shows secondary crushing forces in nature.

Bighorn sheep Ovis canadensis fighting, using his horns to charge at a mating rival.

Flower parts anatomy cross section showing stamens and gynoecium

Parts of a flower diagram from the side and above, showing sepals, petals, stamen, and pistil

Schematic of a flower in colour showing petals, calyx, stamen and pistil